Helicopter Sikorsky HRS-1 Serial 55-082 Register 127842 used by US Marine Corps USMC. Built 1952. Aircraft history and location Aircraft History 127842 US Marine Corps 1952-01-17Sikorsky S-55 c/n 55-082, ff:? del USMC as HRS-1, 127842, 17Jan52 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
